A speed of 250 kilometers per hour is the equivalent to approximately 155.34 miles per hour. One kilometer equals 0.62 mile. Conversely, 1 mile equals 1.61 kilometers. Kilometers per hour is a measurement of speed in the metric system, whereas miles per hour measures speed under the imperial system.Continue Reading
Though the metric system is an internationally sanctioned decimal system of measurement, some countries have not adopted it.
The United States, for example, uses miles per hour to measure speed. Canada, Australia and many European countries measure speed in kilometers per hour. Conversion from kph to mph, and vice versa, is particularly important for travelers between countries that use different measures of speed on their roadways.Learn more about Measurements